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Title: Self-collimation in 2D complex and PT-symmetric media
Authors: Botey, M.
Turduev, Mirbek
Kurt, Hamza
Herrero, R.
Staliunas, Kestutis
Keywords: Parity
balanced gain
Issue Date: Aug-2015
Publisher: IEEE Computer Society
Source: Botey, M., Turduev, M., Kurt, H., Herrero, R., and Staliunas, K. (2015, July). Self-collimation in 2D complex and PT-symmetric media. In 2015 17th International Conference on Transparent Optical Networks (ICTON) (pp. 1-5). IEEE.
Series/Report no.: International Conference on Transparent Optical Networks
Abstract: We study propagation light beams in 2D photonic periodic nanostructures with both index and gain/loss modulations. We determine the conditions for complex periodic media with in-phase gain and index modulations to support self-collimation, non-diffractive propagation, with simultaneous non-diffusive broadening of the beam. We also analyze self-collimation in media where index and gain modulations are dephased by a quarter of the spatial period, hence being PT-symmetric. The propagation properties of such PT-symmetric complex media may be reduced to two limiting cases, either to a Photonic Crystal case with a pure index modulation or to a pure gain modulated media, at each side of the PT-transition condition. © 2015 IEEE.
ISBN: 978-146737880-2
ISSN: 21627339
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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